Home / 4,145.54-6,213.08-2,480.90

Finding the Fourth Proportional to 4,145.54, 6,213.08 and 2,480.90

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Solution

The fourth proportional to 4,145.54, 6,213.08 and 2,480.90 is: 3,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.54 : 6,213.08 = 2,480.90 : x
  2. Step 2: Convert to fraction form
    4,145.54/6,213.08 = 2,480.90/x
  3. Step 3: Cross multiply
    4,145.54x = 6,213.08 × 2,480.90
  4. Step 4: Simplify right side
    4,145.54x = 15,413,986.70
  5. Step 5: Solve for x
    x = 15,413,986.70/4,145.54
  6. Step 6: Final answer
    x = 3,718.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.